


Soaring Guidance
Issued by NWS Boise, ID
Issued by NWS Boise, ID
090 UXUS97 KBOI 091307 SRGBOI Soaring Forecast National Weather Service Boise, Idaho 707 AM MDT Thursday, October 9, 2025 This forecast is for Thursday, October 9, 2025: If the trigger temperature of 81.0 F/27.2 C is reached...then Thermal Soaring Index....................... Fair Maximum rate of lift........................ 292 ft/min (1.5 m/s) Maximum height of thermals.................. 7714 ft MSL (4853 ft AGL) Forecast maximum temperature................... 82.0 F/28.2 C Time of trigger temperature.................... 1600 MDT Time of overdevelopment........................ None Middle/high clouds during soaring window....... None Surface winds during soaring window............ 20 mph or less Height of the -3 thermal index................. 6052 ft MSL (3191 ft AGL) Thermal soaring outlook for Friday 10/10....... Good Wave Soaring Index............................. Not available Remarks... Sunrise/Sunset.................... 07:52:29 / 19:11:25 MDT Total possible sunshine........... 11 hr 18 min 56 sec (678 min 56 sec) Altitude of sun at 13:31:57 MDT... 39.34 degrees Upper air data from rawinsonde observation taken on 10/09/2025 at 0600 MDT Freezing level.................. 12622 ft MSL (9761 ft AGL) Convective condensation level... 16061 ft MSL (13200 ft AGL) Lifted condensation level....... 15341 ft MSL (12480 ft AGL) Lifted index.................... +3.7 K index......................... +13.3 Height Temperature Wind Wind Spd Lapse Rate ConvectionT Thermal Lift Rate ft MSL deg C deg F Dir kt m/s C/km F/kft deg C deg F Index fpm m/s -------------------------------------------------------------------------------- 40000 -53.4 -64.1 225 72 37 -3.2 -1.8 67.8 154.0 25.8 M M 38000 -57.1 -70.8 225 69 36 2.8 1.5 53.1 127.6 16.8 M M 36000 -53.9 -65.0 220 67 35 8.7 4.8 49.1 120.4 14.5 M M 34000 -48.9 -56.0 220 64 33 7.1 3.9 47.8 118.1 14.0 M M 32000 -44.7 -48.5 220 59 30 7.2 4.0 45.5 113.9 12.7 M M 30000 -39.5 -39.1 215 53 27 7.9 4.3 43.6 110.6 11.7 M M 28000 -34.8 -30.6 215 48 25 7.9 4.3 41.9 107.4 10.7 M M 26000 -30.1 -22.2 220 43 22 8.5 4.7 40.7 105.2 10.0 M M 24000 -24.9 -12.8 220 40 21 7.9 4.3 39.9 103.8 9.6 M M 22000 -20.1 -4.2 220 39 20 8.0 4.4 38.6 101.4 8.7 M M 20000 -16.1 3.0 220 39 20 6.4 3.5 36.5 97.6 7.2 M M 18000 -15.4 4.3 210 33 17 9.1 5.0 30.5 86.9 2.0 M M 16000 -9.2 15.4 195 30 15 9.3 5.1 30.3 86.5 1.8 M M 14000 -3.6 25.5 195 25 13 9.3 5.1 29.9 85.9 1.5 M M 12000 1.9 35.4 180 16 8 9.4 5.2 29.7 85.4 1.3 M M 10000 7.4 45.3 180 21 11 8.4 4.6 29.3 84.8 0.9 M M 9000 9.9 49.8 165 23 12 8.3 4.6 28.9 84.1 0.6 M M 8000 12.4 54.3 165 26 13 8.3 4.6 28.5 83.3 0.1 M M 7500 13.6 56.5 165 26 13 8.4 4.6 28.2 82.8 -0.1 272 1.4 7000 14.9 58.8 165 26 13 8.8 4.8 28.0 82.4 -0.3 220 1.1 6500 14.8 58.6 155 29 15 -3.4 -1.9 26.4 79.6 -1.8 207 1.1 6000 15.1 59.2 140 35 18 2.8 1.5 25.2 77.4 -3.0 183 0.9 5500 16.1 61.0 135 33 17 8.0 4.4 24.7 76.5 -3.6 141 0.7 5000 17.2 63.0 135 30 15 7.8 4.3 24.4 75.9 -3.9 92 0.5 4750 17.7 63.9 130 28 15 7.6 4.2 24.3 75.7 -4.1 68 0.3 4500 18.3 64.9 130 27 14 7.3 4.0 24.1 75.3 -4.3 44 0.2 4250 18.8 65.8 125 26 13 7.5 4.1 23.9 75.0 -4.5 21 0.1 4000 19.4 66.9 120 24 13 6.6 3.6 23.7 74.7 -4.7 M M 3750 19.8 67.6 115 23 12 5.6 3.1 23.4 74.2 -5.0 M M 3500 19.8 67.6 120 22 11 -11.6 -6.4 22.7 72.8 -5.7 M M 3400 18.2 64.8 125 19 10 -19.2 -10.5 20.4 68.8 -8.1 10 0.0 3300 18.2 64.8 125 19 10 -19.2 -10.5 20.4 68.8 -8.1 10 0.0 3200 17.4 63.3 135 12 6 -3.0 -1.6 18.9 66.0 -9.6 27 0.1 3100 17.4 63.3 135 12 6 -3.0 -1.6 18.9 66.0 -9.6 27 0.1 3000 17.4 63.3 135 12 6 -3.0 -1.6 18.9 66.0 -9.6 27 0.1 2900 14.8 58.6 170 6 3 -99.5 -54.6 15.7 60.3 -13.0 97 0.5 * * * * * * Numerical weather prediction model forecast data valid * * * * * * 10/09/2025 at 0900 MDT | 10/09/2025 at 1200 MDT | CAPE... 0.0 LI... +2.1 | CAPE... 0.0 LI... +3.1 CINH... 0.0 K Index... +13.6 | CINH... -0.2 K Index... +12.1 | Height Temperature Wnd WndSpd Lapse Rate | Temperature Wnd WndSpd Lapse Rate ft MSL deg C deg F Dir kt m/s C/km F/kft | deg C deg F Dir kt m/s C/km F/kft -------------------------------------------------------------------------------- 40000 -53.1 -63.6 225 73 37 0.8 0.4 | -52.9 -63.2 225 72 37 1.3 0.7 38000 -52.6 -62.7 220 69 35 0.7 0.4 | -52.3 -62.1 220 69 36 0.9 0.5 36000 -52.2 -62.0 215 63 33 0.7 0.4 | -51.7 -61.1 215 64 33 0.9 0.5 34000 -50.0 -58.0 215 60 31 7.9 4.4 | -49.2 -56.6 215 59 30 7.3 4.0 32000 -45.2 -49.4 215 60 31 7.9 4.3 | -44.8 -48.6 210 56 29 7.4 4.0 30000 -40.3 -40.5 215 58 30 8.4 4.6 | -40.1 -40.2 210 55 28 8.4 4.6 28000 -35.3 -31.5 215 55 28 8.4 4.6 | -35.1 -31.2 210 55 28 8.4 4.6 26000 -29.9 -21.8 215 50 26 7.8 4.3 | -30.1 -22.2 210 53 27 8.4 4.6 24000 -25.2 -13.4 210 45 23 7.5 4.1 | -25.1 -13.2 210 51 26 7.3 4.0 22000 -20.7 -5.3 210 41 21 7.5 4.1 | -20.7 -5.3 210 47 24 7.4 4.1 20000 -16.5 2.3 210 40 21 6.7 3.7 | -15.9 3.4 205 42 22 6.9 3.8 18000 -12.7 9.1 205 39 20 6.2 3.4 | -11.8 10.8 205 37 19 6.8 3.7 16000 -8.6 16.5 200 35 18 8.0 4.4 | -7.7 18.1 195 33 17 7.3 4.0 14000 -3.7 25.3 195 28 14 8.3 4.6 | -3.1 26.4 185 29 15 8.1 4.4 12000 1.1 34.0 185 22 11 8.4 4.6 | 1.4 34.5 180 24 12 7.4 4.0 10000 6.2 43.2 170 20 10 9.1 5.0 | 6.1 43.0 165 22 12 8.9 4.9 9000 9.5 49.1 170 21 11 8.2 4.5 | 8.7 47.7 160 22 12 8.0 4.4 8000 12.0 53.6 170 21 11 8.4 4.6 | 11.1 52.0 160 21 11 8.2 4.5 7500 13.0 55.4 175 20 10 4.3 2.3 | 12.6 54.7 160 20 11 4.4 2.4 7000 13.6 56.5 170 20 10 4.3 2.3 | 13.3 55.9 155 20 10 4.6 2.5 6500 14.3 57.7 165 21 11 3.9 2.1 | 14.2 57.6 155 20 10 5.6 3.1 6000 14.7 58.5 155 23 12 2.7 1.5 | 14.8 58.6 145 21 11 4.4 2.4 5500 15.3 59.5 150 25 13 5.7 3.1 | 15.5 59.9 145 20 11 6.1 3.3 5000 16.1 61.0 140 25 13 8.0 4.4 | 16.3 61.3 145 16 8 6.8 3.7 4750 16.7 62.1 135 26 13 7.6 4.2 | 16.9 62.4 145 16 8 8.0 4.4 4500 17.1 62.8 135 25 13 2.1 1.1 | 17.4 63.3 145 15 8 7.3 4.0 4250 17.1 62.8 130 22 11 -1.2 -0.6 | 17.9 64.2 145 14 7 8.0 4.4 4000 16.7 62.1 125 19 10 -9.4 -5.2 | 18.6 65.5 145 13 7 10.7 5.9 3750 15.8 60.4 125 18 9 -11.9 -6.5 | 19.4 66.9 150 13 7 9.1 5.0 3500 15.0 59.0 120 13 7 -9.9 -5.5 | 20.0 68.0 150 12 6 7.2 3.9 3400 15.0 59.0 120 13 7 -9.9 -5.5 | 20.0 68.0 150 12 6 7.2 3.9 3300 13.8 56.8 115 9 4 -25.3 -13.9 | 20.7 69.3 150 10 5 14.4 7.9 3200 13.8 56.8 115 9 4 -25.3 -13.9 | 20.7 69.3 150 10 5 14.4 7.9 3100 13.8 56.8 115 9 4 -25.3 -13.9 | 20.7 69.3 150 10 5 14.4 7.9 3000 10.7 51.3 100 6 3 -59.2 -32.5 | 22.0 71.6 150 11 5 19.3 10.6 2900 M M M M M M M | M M M M M M M 10/09/2025 at 1500 MDT | 10/09/2025 at 1800 MDT | CAPE... 0.0 LI... +3.2 | CAPE... 0.0 LI... +2.4 CINH... -0.2 K Index... +3.5 | CINH... -0.2 K Index... +7.1 | Height Temperature Wnd WndSpd Lapse Rate | Temperature Wnd WndSpd Lapse Rate ft MSL deg C deg F Dir kt m/s C/km F/kft | deg C deg F Dir kt m/s C/km F/kft -------------------------------------------------------------------------------- 40000 -53.3 -63.9 225 81 42 1.4 0.8 | -53.4 -64.1 225 84 43 1.9 1.0 38000 -52.1 -61.8 220 76 39 2.3 1.3 | -51.6 -60.9 220 79 41 3.2 1.7 36000 -50.5 -58.9 220 67 35 2.3 1.3 | -49.5 -57.1 220 72 37 3.2 1.7 34000 -48.1 -54.6 215 60 31 5.7 3.1 | -46.9 -52.4 220 63 32 5.4 3.0 32000 -44.7 -48.5 210 54 28 5.7 3.1 | -43.7 -46.7 215 52 27 5.4 3.0 30000 -40.4 -40.7 205 51 26 8.7 4.8 | -39.7 -39.5 210 46 23 7.7 4.2 28000 -35.2 -31.4 210 50 26 8.7 4.8 | -35.1 -31.2 210 43 22 7.7 4.2 26000 -30.0 -22.0 205 50 25 8.7 4.8 | -30.0 -22.0 205 42 22 8.8 4.8 24000 -24.8 -12.6 205 49 25 7.6 4.2 | -24.8 -12.6 205 42 22 7.7 4.3 22000 -19.6 -3.3 205 47 24 7.8 4.3 | -19.6 -3.3 200 42 22 7.9 4.3 20000 -15.5 4.1 200 43 22 6.8 3.7 | -15.3 4.5 200 40 21 6.9 3.8 18000 -11.4 11.5 200 38 20 7.0 3.8 | -11.1 12.0 195 38 19 7.0 3.9 16000 -6.9 19.6 195 34 17 7.7 4.2 | -6.6 20.1 190 34 18 8.1 4.5 14000 -2.2 28.0 185 31 16 8.1 4.5 | -1.8 28.8 185 33 17 7.6 4.2 12000 2.4 36.3 175 30 15 7.2 4.0 | 2.5 36.5 175 31 16 8.2 4.5 10000 6.7 44.1 165 26 13 8.1 4.4 | 7.7 45.9 160 28 14 9.3 5.1 9000 9.1 48.4 160 24 13 8.1 4.5 | 10.4 50.7 155 26 14 9.5 5.2 8000 12.3 54.1 155 22 11 9.4 5.2 | 14.3 57.7 145 25 13 10.5 5.8 7500 13.4 56.1 155 22 11 7.3 4.0 | 15.4 59.7 145 25 13 7.4 4.1 7000 14.7 58.5 150 21 11 8.5 4.7 | 16.7 62.1 140 25 13 9.0 5.0 6500 16.0 60.8 150 20 10 8.4 4.6 | 18.1 64.6 135 23 12 9.1 5.0 6000 17.2 63.0 150 18 9 8.0 4.4 | 19.4 66.9 135 21 11 9.7 5.3 5500 18.4 65.1 150 17 9 9.1 5.0 | 20.9 69.6 135 21 11 8.9 4.9 5000 19.7 67.5 150 16 8 10.3 5.6 | 22.2 72.0 130 18 9 10.1 5.5 4750 20.5 68.9 150 16 8 10.8 5.9 | 23.0 73.4 130 20 10 10.0 5.5 4500 21.2 70.2 150 15 8 9.0 5.0 | 23.6 74.5 130 18 9 8.0 4.4 4250 21.9 71.4 150 14 7 9.4 5.1 | 24.2 75.6 130 15 8 8.0 4.4 4000 22.6 72.7 150 14 7 10.5 5.7 | 24.8 76.6 130 13 7 9.4 5.2 3750 23.4 74.1 155 14 7 9.7 5.3 | 25.5 77.9 130 14 7 8.2 4.5 3500 24.1 75.4 155 12 6 8.8 4.8 | 26.0 78.8 125 12 6 6.5 3.6 3400 24.1 75.4 155 12 6 8.8 4.8 | 26.0 78.8 125 12 6 6.5 3.6 3300 24.9 76.8 155 11 6 13.7 7.5 | 26.5 79.7 125 8 4 5.0 2.7 3200 24.9 76.8 155 11 6 13.7 7.5 | 26.5 79.7 125 8 4 5.0 2.7 3100 24.9 76.8 155 11 6 13.7 7.5 | 26.5 79.7 125 8 4 5.0 2.7 3000 26.2 79.2 155 12 6 23.2 12.7 | 26.0 78.8 125 8 4 -24.8 -13.6 2900 M M M M M M M | M M M M M M M ________________________________________________________________________________ This product is issued twice per day, once by approximately 0630 MST/0730 MDT (1330 UTC) and again by approximately 1830 MST/1930 MDT (0130 UTC). It is not continuously monitored nor updated after its initial issuance. The information contained herein is based on rawinsonde observation and/or numerical weather prediction model data taken at the Boise Airport site in Boise, Idaho at Latitude: 43.56774 Longitude: -116.21089 Elevation: 2867 feet (874 meters) and may not be representative of other areas in eastern Oregon or southwest Idaho. Note that some elevations in numerical weather prediction models differ from actual station elevations, which can lead to data which appear to be below ground. Erroneous data such as these should not be used. The content and format of this report as well as the issuance times are subject to change without prior notice. 082025